pthread_rwlock_destroy()

Synopsis:

Arguments:

rwl

A pointer to a pthread_rwlock_t object that you want to destroy.

Library:

libc

Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.

Description:

The pthread_rwlock_destroy() function destroys the read-write lock
referenced by rwl, and releases the system resources used by the
lock.
You can destroy the read-write lock if one of the following is true:

no thread has a active shared or exclusive lock on rwl

the calling thread has an active exclusive lock on rwl

Note:
After successfully destroying a read-write lock, don't use it again without
reinitializing it by calling
pthread_rwlock_init().

Returns:

EOK

Success.

EBUSY

The read-write lock rwl is still in use.
The calling thread doesn't have an exclusive lock.